高频

The high-frequency ground wave radar plays an important role in both military and civil uses.

高频地波雷达在军事和民用领域发挥着非常重要的作用。

More and more countries pay great attention to HF ground wave OTHR for its military and civil foregrounds.

由于具有良好的军事应用前景和诱人的民用潜力，高频地波超视距雷达越来越受到世界各国的高度重视。

A simulation of sky-wave interference suppression in HF ground wave radar system is realized to explain its application in reality.

还利用该方法对高频地波雷达中天波干扰的极化抑制进行了仿真，证明了算法的有效性。

The simulation of bistatic/multistatic HF ground wave radar echo is analyzed.

分析了双／多基地高频地波雷达回波信号的仿真过程。

This frontend can satisfy the requirement of spectrum monitoring of high frequency ground wave radar made by Wuhan University.

引 言 高频地波海态监测雷达是一种可以连续地大面积监测海洋状态的先进海洋探测设备。

Basing on the propagation characteristics of electromagnetic wave in the ground, Ground Penetrating Radar is one of high r...

探地雷达是一种利用高频电磁波在地下介质中的传播特性来探测地下目标的高分辨探测技术，目前最高分辨率可达到厘米级。

An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper.

该系统基于FMICW高频地波雷达的工作机理，以及一阶和二阶Bragg-Doppler谱的反演原理，利用直接数字合成的技术仿真出海洋雷达回波的模拟信号，以供雷达的校准与定标之用。

High frequency ground wave radar; frequency stepping ; signal processing

高频地波雷达；频率步进；信号处理

During the 9th and 10th 5-year plan,research on high frequency ground wave radar are implementedin national marine 863 project.

我国高频地波雷达的研究在近十年取得了非常大的成就。

The design and realization of the synchro con- troller for high frequency ground wave radar based on the VXI-bus are discussed.

叙述了基于vXl总线的高频地波雷达同步控制器的实现。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！